/// <summary>
/// Creates a new memory page
/// </summary>
/// <param name="minSize">The minimum size required by the page</param>
public MemoryPage CreatePage(int minSize)
{
//Align the size of the page to page sizes.
int size = ((minSize + this.pageSize - 1) / this.pageSize) * this.pageSize;
//Allocate writable & readable memory
var memory = WinAPI.VirtualAlloc(
IntPtr.Zero,
(uint)size,
WinAPI.AllocationType.Commit,
WinAPI.MemoryProtection.ReadWrite);
var page = new MemoryPage(memory, size);
this.pages.Add(page);
return(page);
}
/// <summary>
/// Creates a new heap of the given size
/// </summary>
/// <param name="memoryManager">The memory manager</param>
/// <param name="managedObjectReferences">The managed object references</param>
/// <param name="size">The size of the heap</param>
public ManagedHeap(MemoryManager memoryManager, ManagedObjectReferences managedObjectReferences, int size)
{
this.managedObjectReferences = managedObjectReferences;
this.dataPage = memoryManager.CreatePage(size);
this.nextAllocation = this.dataPage.Start;
}
/// <summary>
/// Adds the given page to the list of pages and makes it the active one
/// </summary>
/// <param name="page">The page</param>
public void AddPage(MemoryPage page)
{
this.pages.Add(page);
this.ActivePage = page;
}